.map1 {
    position: absolute;
    top: 0;
    bottom: 51%;
    left: 0;
    right: 0;
    font-family: Arial, sans-serif;
}

.map2 {
    position: absolute;
    top: 51%;
    bottom: 0;
    left: 0;
    right: 0;
    font-family: Arial, sans-serif;
}

hr {
    height: 2%;
    border: 0;
    background: #989898;
    position: absolute;
    top: 49%;
    left: 0;
    right: 0;
    margin: 0;
}

.ol-attribution > ul {
    font-size: 1.6rem;
}